45183216 has 160 divisors (see below), whose sum is σ = 137213440. Its totient is φ = 12690432.

The previous prime is 45183191. The next prime is 45183221. The reversal of 45183216 is 61238154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438621 + ... + 438723.

It is an arithmetic number, because the mean of its divisors is an integer number (857584).

Almost surely, 2^45183216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45183216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68606720).

45183216 is an abundant number, since it is smaller than the sum of its proper divisors (92030224).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45183216 is a wasteful number, since it uses less digits than its factorization.

45183216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its digits is 5760, while the sum is 30.

The square root of 45183216 is about 6721.8461749731. The cubic root of 45183216 is about 356.1714025438.

The spelling of 45183216 in words is "forty-five million, one hundred eighty-three thousand, two hundred sixteen".